Base 9 Geodetic Consulting Services 

Topics:

• Fundamentals of Geodesy and Geodetic Datums
• Modernization of the National Spatial Reference System
• Understanding the State Plane Coordinate System
• Datum Transformations
• GNSS-Derived Heights
• Improving the Status of Passive Control in the NSRS
  

 Dave Doyle joined the National Geodetic Survey in 1972, and held the position of chief geodetic surveyor at his retirement in January, 2013.  He was responsible for the development, technical design and management of plans and programs that enhance the United States National Spatial Reference System.  Mr. Doyle began his career as a geodetic surveyor in the U.S. Army in 1967, and served on numerous survey campaigns until completion of his military service in 1970.  From 1970 until 1972, he worked for a private surveying company near Washington D.C. where he was responsible for completing boundary, topographic and engineering surveys while he pursued undergraduate studies in geodesy, cartography and mathematics at the George Washington University.  During his time at NGS his experiences included all phases of geodetic triangulation, astronomic positioning, leveling, GPS data collection, data analysis, datum transformations, network adjustments, and data publication.  Mr. Doyle’s activities have included extensive efforts on the development and implementation of the North American Datum of 1983, the North American Vertical Datum of 1988, the Puerto Rico Vertical Datum of 2002 and the Virgin Islands Vertical Datum of 2009.  He has also provided technical support to various countries for the modernization of national and regional geodetic reference systems in Caribbean and Central America, Africa, and the Pacific.  Mr. Doyle’s activities include 35 articles on geodesy and geodetic surveying in national and local surveying publications and he has conducted more than 420 workshops and seminars detailing the various aspects of geodesy and the National Spatial Reference System.  Mr. Doyle continues to support education in geodesy for surveyors and others interested in high accuracy geospatial positioning by providing seminars at surveying and GIS conferences.

Mr. Doyle is a past president of the American Association for Geodetic Surveying, a Fellow member of the American Congress on Surveying and Mapping and a charter member of the Geographic and Land Information Society and has served on the U.S. delegation to the International Federation of Surveyors.   Mr. Doyle is also an active member of the American Association for Geodetic Surveying, the District of Columbia, Maryland, and Virginia professional surveyors’ associations.